/Engine/Source/Runtime/Engine/Classes/GameFramework/Actor.h
Returns list of actors this actor is overlapping (any component overlapping any component). Does not return itself.
void GetOverlappingActors ( [TArray](API\Runtime\Core\Containers\TArray)< [AActor](API\Runtime\Engine\GameFramework\AActor) * > & OverlappingActors, [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [AActor](API\Runtime\Engine\GameFramework\AActor) > ClassFilter ) const